Analyte | Unit | Certified value | Confidence interval (95%) |
No. of independent repeated series |
Measuring method* |
Ca |
% |
0.220 |
0.006 |
3 |
1 |
S |
% |
0.005 |
0.001 |
3 |
2 |
V |
% |
0.154 |
0.005 |
6 |
1,3 |
C |
% |
0.284 |
0.010 |
3 |
2 |
* Measuring method | |
1: X-ray fluorescence spectrometry |
2: Combustion with IR-detection |
3: ICP with optical emission spectrometry |
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